OR-Tools  8.2
return_macros.h
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1 // Copyright 2010-2018 Google LLC
2 // Licensed under the Apache License, Version 2.0 (the "License");
3 // you may not use this file except in compliance with the License.
4 // You may obtain a copy of the License at
5 //
6 // http://www.apache.org/licenses/LICENSE-2.0
7 //
8 // Unless required by applicable law or agreed to in writing, software
9 // distributed under the License is distributed on an "AS IS" BASIS,
10 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11 // See the License for the specific language governing permissions and
12 // limitations under the License.
13 
14 #ifndef OR_TOOLS_UTIL_RETURN_MACROS_H_
15 #define OR_TOOLS_UTIL_RETURN_MACROS_H_
16 
17 // Macros to replace CHECK_NOTNULL() so we don't crash in production.
18 // Logs a FATAL message in debug mode, and an ERROR message in production.
19 // It is not perfect, but more robust than crashing right away.
20 #define RETURN_IF_NULL(x) \
21  if (x == nullptr) { \
22  LOG(DFATAL) << #x << " == NULL"; \
23  return; \
24  }
25 
26 #define RETURN_VALUE_IF_NULL(x, v) \
27  if (x == nullptr) { \
28  LOG(DFATAL) << #x << " == NULL"; \
29  return v; \
30  }
31 
32 #endif // OR_TOOLS_UTIL_RETURN_MACROS_H_